diff options
| -rw-r--r-- | attr.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -139,8 +139,15 @@ struct match_attr { static const char blank[] = " \t\r\n"; +/* + * Parse a whitespace-delimited attribute state (i.e., "attr", + * "-attr", "!attr", or "attr=value") from the string starting at src. + * If e is not NULL, write the results to *e. Return a pointer to the + * remainder of the string (with leading whitespace removed), or NULL + * if there was an error. + */ static const char *parse_attr(const char *src, int lineno, const char *cp, - int num_attr, struct match_attr *res) + struct attr_state *e) { const char *ep, *equals; int len; @@ -153,7 +160,7 @@ static const char *parse_attr(const char *src, int lineno, const char *cp, len = equals - cp; else len = ep - cp; - if (!res) { + if (!e) { if (*cp == '-' || *cp == '!') { cp++; len--; @@ -165,9 +172,6 @@ static const char *parse_attr(const char *src, int lineno, const char *cp, return NULL; } } else { - struct attr_state *e; - - e = &(res->state[num_attr]); if (*cp == '-' || *cp == '!') { e->setto = (*cp == '-') ? ATTR__FALSE : ATTR__UNSET; cp++; @@ -225,7 +229,8 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, cp = name + namelen; cp = cp + strspn(cp, blank); while (*cp) { - cp = parse_attr(src, lineno, cp, num_attr, res); + cp = parse_attr(src, lineno, cp, + pass ? &(res->state[num_attr]) : NULL); if (!cp) return NULL; num_attr++; |